The frequency response differs (8 - 22,000 Hz vs 20 Hz - 40000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. Battery life varies between the two (Music Playtime: 13 hr, Talk Time: 10 hr, Standby Time: 150 hr vs 28 Hours), which affects how long you can use them on a single charge. The driver size differs between the two (40 mm vs 6 X 9.2 mm), which can influence sound depth, bass response, and overall audio clarity. Impedance levels vary (40 ohms vs 16 Ohm), which can affect compatibility and audio output when used with different devices. Overall, both headphones are feature-rich and cater to users looking for a combination of sound quality, comfort, and wireless convenience. There is a noticeable difference in weight (230 g without cable vs 54 Gm), which may affect comfort during extended use. If you're comparing Sony MDR-ZX750BN and Soundcore Liberty 4, both models offer a strong combination of sound performance, comfort, and modern wireless features. Sony MDR-ZX750BN and Soundcore Liberty 4 offer different noise cancellation capabilities (Yes (Digital Noise Canceling) vs Adaptive), which can impact how effectively they block external noise. Sony MDR-ZX750BN uses Bluetooth 3.0 while Soundcore Liberty 4 supports Bluetooth 5.3, which can impact connectivity stability and efficiency.

Verdict: Choosing between Sony MDR-ZX750BN and Soundcore Liberty 4 depends on whether you value better sound, longer battery life, or enhanced features.